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This study identified a distinct cytokine activation signature in alopecia areata, involving TH2, TH1, IL-23, and IL-9/TH9 pathways, suggesting potential targeting strategies similar to those in psoriasis and atopic dermatitis.

This study suggests that the T allele of the SNP rs2476601 in the PTPN22 gene may increase the risk of alopecia areata, although further studies are necessary to validate this finding across different populations.

This study found that IL-7 is crucial for the survival of memory regulatory T cells in the skin of mice, whereas IL-2 is essential for their initial generation but not for their maintenance.

This study observed that expanding regulatory T cells in the skin of mice with alopecia areata did not reverse the condition, indicating that additional immunotherapy may be necessary.

This review examines the role of IL-15 in alopecia areata treatment but reports no clinical results, as there are currently insufficient studies to determine its therapeutic potential.

This study observed that NSG-hu-BLT mice developed graft-versus-host disease characterized by CD8+ T lymphocyte-related cell death in the skin and liver, which may affect their utility in other research areas.

This review highlights the need for a deeper understanding of the genetic mechanisms in alopecia areata to develop evidence-based treatments, but it provides no new experimental results.

This review discusses immune pathways involved in alopecia areata and explores emerging, more targeted therapeutic strategies, noting their potential for better safety and effectiveness compared to traditional immune suppressants.

This study found that udenafil-treated adipose-derived stem cells accelerated hair growth in mice by enhancing stem cell activity and growth factor secretion through the ERK and NFκB pathways.

This study found that alopecia areata is linked to genetic factors, specifically HLA haplotypes on chromosome 6, and involves immune privilege collapse at hair follicles which is mediated by the JAK-STAT pathway and pro-inflammatory cytokines like IFN-γ.

In this study, researchers found that the rs3118470 mutation in the IL2RA gene significantly increases the risk of developing alopecia areata, and they emphasize the need for future research with larger, more diverse populations to validate these results.

This review summarizes recent findings about the multi-site differentiation of tissue regulatory T cells, emphasizing the pivotal role of epigenetic remodeling, but it reports no new clinical results.

This study highlights the genetic complexities in alopecia areata, emphasizing the role of microRNAs and their association with other immune-related diseases, which could inform targeted treatment strategies.

Certain immune cells in atopic dermatitis skin could be targeted for treatment.

This study identified key genetic regions associated with alopecia areata, highlighting both acquired and innate immune involvement, with a novel link to the upregulation of ULBP ligands in autoimmune disease.

This study found that both Th1 and Th2 immune responses, along with IL-23 and IL-32 cytokine pathways, are active in alopecia areata lesions, and corticosteroid injections significantly altered these immune markers.

This study found that patients with alopecia areata had higher levels of Th17 cells and lower levels of regulatory T cells compared to healthy controls, suggesting an immune imbalance in these patients.

This review discusses the potential of JAK inhibitors as a promising treatment strategy for alopecia areata, highlighting their mechanism and recent FDA approval based on clinical trial efficacy.

This review discusses recent advances in the understanding of alopecia areata, focusing on immunity and genetics, and presents potential targets for therapy without reporting new clinical results.

This study reviewed the role of inflammasomes in autoimmune skin diseases, highlighting their contribution to the pathogenesis of conditions such as vitiligo, alopecia areata, and psoriasis, and suggesting that targeting inflammasome dysregulation may offer new therapeutic options.

This study observed that atopic dermatitis severity was associated with higher eosinophil counts and FLG variants, suggesting distinct endotypes that may require tailored treatment approaches.

This study suggests that frontal fibrosing alopecia is a highly inflammatory disease involving TH1 and JAK-STAT pathways, without reduced hair keratins, highlighting JAK-STAT signaling as a potential therapeutic target.

In this study, researchers found that cytokine dysregulation linked to genetic background is present in both patients and healthy but genetically related individuals in two autoimmune skin diseases, Pemphigus vulgaris and Alopecia areata, suggesting that protective immune mechanisms may prevent disease manifestation in predisposed individuals.

This narrative review highlights the shared immunopathogenesis of alopecia areata and atopic dermatitis and discusses approved and investigational therapies that target common pathways, suggesting a future for personalized treatment strategies.

This study identified a four-gene loop as a non-invasive biomarker that selectively activates in alopecia areata, providing a precise target for JAK inhibitor treatments.

This review discusses potential biomarkers for alopecia and their significance, and while it highlights areas for future research, it reports no new clinical results.

This review discusses recent genome-wide association studies identifying novel candidate genes for various forms of alopecia, providing insights into their pathogenesis and molecular mechanisms, but reports no new clinical results.

This study reports the creation of rat liver stem cell lines that can differentiate into hepatocytes and suggests they might be useful for pharmacological and regenerative medicine applications.

This study found that in immunodeficient mice lacking T cells, certain innate lymphoid cell subsets increased and influenced the hair growth cycle, with specific ILC subsets shown to promote anagen, the active phase of hair growth.

This study highlights rapid advances in alopecia areata treatment following the identification of genetic variants associated with increased disease risk, suggesting potential for precision medicine approaches.